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  1. #1
    Junior Member
    Join Date
    Mar 2016
    Posts
    2

    Question Taking Dutasteride daily = no sense (!!!)

    Dear Community,

    I asked my professor (biology) because of dutasteride. He said, that taking it daily would make no sense. It is known that Dutasteride has got a half time of 3 - 5 weeks.
    So if we say it has a half-time of 3 weeks than (if we take Avodart .5mg):

    K0 = 1
    r = ? (we want to find out what rest is in our body after 1 day)
    n = 21 (half-time of 3 Weeks)
    Kn = 0.5
    0.5 = 1⋅ r21 ⇒ ≈ 0.9675 = 96,75 % after 1 day

    So after 1 day we have still 0,48mg Dutasteride in our body.

    On one day we just loose 0,01625mg.

    So it means after 7 days we have still about 0,35mg dutasteride in our body.

    To take Dut every 7 days would be better than take it daily i think!

    What do you think?

  2. #2
    Senior Member
    Join Date
    Nov 2009
    Location
    California
    Posts
    383

    Default

    Then why did the 6 month studies show 2.5 mg per day was more effective than .5 mg? You and your bio teacher should spend some time thinking of answering that one.

  3. #3
    Junior Member
    Join Date
    Apr 2016
    Location
    NY
    Posts
    16

    Default

    Theoretically you do not need to take it everyday however, the misconception people have is that they can take one 0.5mg one or three days a week and it will have the same efficacy as taking once a day. This is false. The drug needs to build up in the system for it to reach its therapeutic efficacy which is somewhere around 18mg for Dutasteride. So in theory you can take seven 0.5mg caplets once a week on a Friday and it will have the same efficacy as taking one everyday. If you cut the dose do not expect the same results.

  4. #4
    Junior Member
    Join Date
    Jul 2017
    Posts
    24

    Default

    If Ive been taking dutasteride for months so I have had over 18mg in my system, If i throw up a lot from food poising does that mean I got rid of all of the built up dutasteride in my system? please and thank you

  5. #5
    Senior Member
    Join Date
    Mar 2018
    Posts
    105

    Default

    Are you retarded, what does throwing up have to do with anything?

  6. #6
    Junior Member GMize's Avatar
    Join Date
    Feb 2019
    Posts
    2

    Default

    1 year on 0.5 mg dutasteride every day. I have hair re-growth, new hairs, thickening of existing hair, no shed. Notable difference in overall hair coverage, as I was a diffused thinner, mentioned by my family members. Temples slowly recovering.

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